Influenza clinical risk groups 2017 version - Asthma

Thomas, S (2020). Influenza clinical risk groups 2017 version - Asthma. [Dataset]. London School of Hygiene & Tropical Medicine, London, United Kingdom. 10.17037/DATA.00001897.
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Read v2 codes for diagnoses of asthma, or recording that a previous diagnosis of asthma had resolved (resolved=1). For this project, the definition was designed to follow national guidance on indications for influenza vaccination, namely: Asthma that requires continuous or repeated use of inhaled or systemic steroids or with previous exacerbations requiring hospital admission. Individuals were defined as having asthma if there was a code for asthma at any time before the index date AND the latest asthma code prior to the index date was not an ""asthma resolved"" code AND EITHER (a) A prescription in the 12 months before start of flu season for an oral steroid OR (b) A prescription in the 12 months before start of flu seasonfor an inhaled steroid OR (c) An asthma emergency admision ever in the past

Keywords

Influenza, Risk factors

Parent Collection(s)
Item Type Dataset
Capture method Observation
Collection Period
From
To
January 2017
January 2017
Date 15 October 2020
Language(s) of written materials English
Creator(s) Thomas, S
Associated roles Mcdonald, H (Other)
LSHTM Faculty/Department Faculty of Epidemiology and Population Health > Dept of Infectious Disease Epidemiology (-2023)
Research Centre Electronic Health Record Research Group
Participating Institutions London School of Hygiene & Tropical Medicine, London, United Kingdom
Funders
Project
Funder
Grant Number
Funder URI
Social determinants of maternal vaccine uptake - influenza clinical risk groups for vaccination (respiratory, cardiac, liver, diabetes, and kidney diseases)
National Institute for Health Research (NIHR)
UNSPECIFIED
http://dx.doi.org/10.13039/501100000272
Date Deposited 15 Oct 2020 15:53
Last Modified 19 Oct 2020 13:34
Publisher London School of Hygiene & Tropical Medicine

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